.app{
	width: 100%;
	height: 100vh;
	background-color: #ffffff;
	position: relative;
	display: flex;
	justify-content: center;
	align-items: center;
}
.label16{
	width: 48px;
	height: 36px;
	display: block;
	position: relative;
	cursor: pointer;
}
.inp16{
	display: none;
}
.line16{
	width: inherit;
	height: 4px;
	border-radius: 2px;
	display: block;
	background-color: #3d3d3d;
	position: absolute;
	top: 0;
	transition: all 0.24s ease-in-out;
}
.line16:nth-of-type(2){
	top: 16px;
}
.line16:nth-of-type(3){
	top: 32px;
}
.inp16:checked ~ .line16:nth-of-type(1){
	transform: rotate(45deg);
	top: 16px;
}
.inp16:checked ~ .line16:nth-of-type(2){
	width: 0;
}
.inp16:checked ~ .line16:nth-of-type(3){
	transform: rotate(-45deg);
	top: 16px;
}